4 out of the 1/ students at the table had pizza for lunch. What % of the students had pizza

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

How can constraints be used to model a real-world situation?

The curved part of the figure is the semicircle what is the best approximation for the area of this figure